Aerial Photography: Use in Detecting Simulated Insect Defoliation in Corn1
- 1 June 1973
- journal article
- Published by Oxford University Press (OUP) in Journal of Economic Entomology
- Vol. 66 (3) , 779-784
- https://doi.org/10.1093/jee/66.3.779
Abstract
Artificial defoliation in corn was used to explore the usefulness of aerial photography in detecting crop-insect infestations. Defoliation on top of plant was easily detected, while that on the base was less so. Aero infrared film with Wratten 89B filter gave the best results, and morning flights at the scale of 1:15480 are recommended. Row direction, plant growth stage, and time elapse since defoliation were not important factors.Keywords
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